Mass per volume density.
Stones per Teaspoon to Carats per Pint Converter — st/tsp to ct/pt
Convert Stone per Teaspoon (st/tsp) to Carat per Pint (ct/pt) using the exact conversion factor (1 stone per teaspoon = 3,048,140.726 carat per pint). See the formula, worked examples, and conversion table.
Stones per Teaspoon to Carats per Pint converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 1.28837375e+6 / 0.4226752838.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Teaspoon to Carats per Pint
Stone per Teaspoon and Carat per Pint both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
carats per pint = stones per teaspoon × 3048140.7264
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per teaspoon equals 1288373.74651 base units, and 1 carat per pint equals 0.422675283773 base units, so dividing one by the other gives the direct stone per teaspoon-to-carat per pint factor of 3048140.7264.
Simple example
1 st/tsp × 3048140.726 = 3,048,140.726 ct/pt
1 stone per teaspoon = 3,048,140.726 carats per pint.
Real-world example
1,000 st/tsp × 3048140.726 = 3,048,140,726 ct/pt
1,000 stones per teaspoon = 3,048,140,726 carats per pint.
Conversion table
| Stone per Teaspoon (st/tsp) | Carat per Pint (ct/pt) |
|---|---|
| 0.1 st/tsp | 304,814.0726 ct/pt |
| 1 st/tsp | 3,048,140.726 ct/pt |
| 10 st/tsp | 30,481,407.26 ct/pt |
| 100 st/tsp | 304,814,072.6 ct/pt |
| 1,000 st/tsp | 3,048,140,726 ct/pt |
| 10,000 st/tsp | 30,481,407,260 ct/pt |
Reverse conversion: Carat per Pint to Stone per Teaspoon
1 ct/pt × 3.280688e-7 = 3.280688e-7 st/tsp
1 carat per pint = 3.280688e-7 stones per teaspoon.
stones per teaspoon = carats per pint × 3.280688e-7
For a page dedicated to this direction, see Carat per Pint to Stone per Teaspoon.
Understanding the Stone per Teaspoon (st/tsp)
Mass per volume density.
Understanding the Carat per Pint (ct/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per pint are in 1 stone per teaspoon?
1 stone per teaspoon equals 3,048,140.726 carats per pint, using the exact defined conversion factor rather than an estimate.
How do I convert stone per teaspoon to carat per pint?
Multiply the stone per teaspoon value by 3048140.726. The converter above does this instantly to whatever precision you set.
How do I convert carat per pint back to stone per teaspoon?
Use the reverse factor: 1 carat per pint equals 3.280688e-7 stones per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per teaspoon?
Stone per Teaspoon (st/tsp) is a unit of density.
What is a carat per pint?
Carat per Pint (ct/pt) is a unit of density.
Is the stone per teaspoon to carat per pint conversion exact?
Yes. Both stone per teaspoon and carat per pint are defined by fixed standards rather than physical artifacts, so the factor of 3048140.726 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.